A New Rearranged Abietane Diterpene and other Constituents from Clerodendrum Philipinum

From the methanolic extract of the roots of Clerodendrum philipinum, a new rearranged abietane diterpene (1) and eight known compounds were isolated by various chromatography methods. Their structures were identified by means of spectroscopic methods, including 1D- and 2D-NMR, as 17(15→16),18(4→3)-b...

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Bibliographic Details
Published in:Natural product communications 2009-03, Vol.4 (3), p.323-325
Main Authors: Van Oanh, Ha, Sinh, Pham Xuan, An, Nguyen Thai, Hung, Ta Manh, Huong, Tran Thi Lan, Que, Do Thi Nguyet, Thao, Nguyen Phuong, Cuong, Nguyen Xuan, Dat, Nguyen Tien, Van Minh, Chau, Van Kiem, Phan
Format: Article
Language:English
Subjects:
Chromatography
Clerodendrum - chemistry
Diterpenes, Abietane - analysis
Diterpenes, Abietane - isolation & purification
Glucosides - isolation & purification
Kaempferols - isolation & purification
Lignans - analysis
Lignans - isolation & purification
Magnetic Resonance Spectroscopy
Methanol
Molecular Structure
Phenols - isolation & purification
Sitosterols - isolation & purification
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Summary:From the methanolic extract of the roots of Clerodendrum philipinum, a new rearranged abietane diterpene (1) and eight known compounds were isolated by various chromatography methods. Their structures were identified by means of spectroscopic methods, including 1D- and 2D-NMR, as 17(15→16),18(4→3)-bisabeo-11,12,14,16-tetrahydroxy-3,5,8,11, 13, 15-abietahexaen-7-one (1), binankadsurin A, clerodenoside A, martynoside, acteoside, isoacteoside, astragalin, β-sitosterol, and daucosterol. Binankadsurin A was found for the first time from a Clerodendrum species.
ISSN:1934-578X
1555-9475
DOI:10.1177/1934578X0900400304